15921320

素因数分解:

$2^3\times 5^1\times {\mathrm{398033}}^1$

素因数の和:398044

約数の個数: 16

約数和(自身を含む): 35823060

約数和(自身を除く): 19901740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 398033, 796066, 1592132, 1990165, 3184264, 3980330, 7960660, 15921320]

約数ペア:

[(1, 15921320), (2, 7960660), (4, 3980330), (5, 3184264), (8, 1990165), (10, 1592132), (20, 796066), (40, 398033)]